... Kaemperol 0.8--1.5.Part Used: Ginkgo biloba Leaf2. Water solubleTotal Ginkgo flavone glycosides ≥ 24%, Total terpene lactones & ... ; 24%, Total terpene lactones ≥ 6%, Ginkgolic acid<1ppm6. Water solubleTotal Ginkgo flavone glycosides≥ 24%, Total terpene lactones &ge ... main specifications are low acid(gingko acid≤ 5ppm. 1PPMand soluble etc...It can cure the coronary heart disease, angina, ...